JPS6069545U - Power switching device - Google Patents
Power switching deviceInfo
- Publication number
- JPS6069545U JPS6069545U JP15931383U JP15931383U JPS6069545U JP S6069545 U JPS6069545 U JP S6069545U JP 15931383 U JP15931383 U JP 15931383U JP 15931383 U JP15931383 U JP 15931383U JP S6069545 U JPS6069545 U JP S6069545U
- Authority
- JP
- Japan
- Prior art keywords
- switching device
- power switching
- power
- down transformer
- motor load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の２系統受電の電源切換装置の単線結線図
、第２図は第１図の場合の電源切換動作を示すフ・ロー
チャート、第３図は本考案の一実施例を示す２系統受電
の場合の単線結線図、第４図は本考案の電源切換動作を
示すフローチャート、第５図は母線残留電圧の減衰曲線
図である。
１．２・・・電源、３，４・・・受電しゃ断器、５．′
６．７・・・不足電圧継電器、８．！、１０・・・計器
用変成器、１１・・・母線、１２・・・電動機開閉用し
ゃ断器、１３・・・電動機、１４・・・降圧変圧器、１
５・・・低圧開閉器、１６・・・低圧電動機、２３・・
・短絡開閉器。Fig. 1 is a single-line diagram of a conventional power switching device with two power receiving systems, Fig. 2 is a flowchart showing the power switching operation in the case of Fig. 1, and Fig. 3 shows an embodiment of the present invention. FIG. 4 is a flowchart showing the power supply switching operation of the present invention, and FIG. 5 is an attenuation curve diagram of bus residual voltage. 1.2...Power source, 3,4...Power receiving breaker, 5. ′
6.7... Undervoltage relay, 8. ! , 10... Instrument transformer, 11... Bus bar, 12... Motor switching breaker, 13... Electric motor, 14... Step-down transformer, 1
5...Low voltage switch, 16...Low voltage motor, 23...
・Short circuit switch.
Claims (1)
置を介して選択的に切換液−可能に電動機負荷並びに下
位電圧の電動機負荷に電力を供給する降圧変圧器が接続
された系統において、前記開閉装置の切換指令に連動す
る短絡開閉器を前記降圧変圧器の二次側に具備したこと
を特徴とする電源切換装置。In a system that has multiple power supplies, one of which is connected to a step-down transformer that can selectively switch fluid through a switchgear and supply power to a motor load and a motor load at a lower voltage. . A power switching device comprising: a short-circuit switch connected to a switching command of the switching device on the secondary side of the step-down transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15931383U JPS6069545U (en) | 1983-10-17 | 1983-10-17 | Power switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15931383U JPS6069545U (en) | 1983-10-17 | 1983-10-17 | Power switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6069545U true JPS6069545U (en) | 1985-05-17 |
Family
ID=30350735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15931383U Pending JPS6069545U (en) | 1983-10-17 | 1983-10-17 | Power switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6069545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63298584A (en) * | 1987-05-29 | 1988-12-06 | Nippon Telegr & Teleph Corp <Ntt> | Fixing and discharging method for card or the like |
-
1983
- 1983-10-17 JP JP15931383U patent/JPS6069545U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63298584A (en) * | 1987-05-29 | 1988-12-06 | Nippon Telegr & Teleph Corp <Ntt> | Fixing and discharging method for card or the like |
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